The KOLOMNA 1580 Vertical Boring Mill, manufactured in 1983, is a heavy-duty machine designed for large-scale precision turning operations. It features a substantial table with a 23.3 ft diameter and can accommodate workpieces up to 26.2 ft in diameter and 10.5 ft in height, with a maximum weight capacity of 275,577 lbs. Key operational specifications include a table speed range of 0.22 to 20.1 rpm. The machine's ram has a maximum stroke of 6.6 ft, and the carriages can travel up to 14.0 ft. Feed capabilities include a carriages feed range of 0.115 to 11.2 in/min, a rapid feed of 98.4 in/min, and a transversal beam feed of 11.8 in/min. The overall dimensions of the mill are 28.3 ft x 24.9 ft x 32.2 ft. The total weight of the machine with the electrical unit is 567,000 lbs, or 545,000 lbs without the electrical unit.